Consider the rule of transitive confinement. Suppose a process needs to execute a subprocess in such a way that the child can access exactly two files, one only for reading and one only for writing. 1. Could capabilities be used to implement this? If so, how? 2. Could access control lists implement this? If so, how?

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Consider the rule of transitive confinement. Suppose a process needs to execute a subprocess
in such a way that the child can access exactly two files, one only for reading and one only for
writing.
1. Could capabilities be used to implement this? If so, how?
2. Could access control lists implement this? If so, how?
Transcribed Image Text:Consider the rule of transitive confinement. Suppose a process needs to execute a subprocess in such a way that the child can access exactly two files, one only for reading and one only for writing. 1. Could capabilities be used to implement this? If so, how? 2. Could access control lists implement this? If so, how?
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